SleepFic is the world's first and only application that helps you fall asleep with neurological sound waves. -Totally free -Can be used offline. -There is no piano sound. -No nature sounds. There are four sleep modes. Fast Sleep: With special sound waves, it gives a light sound wave to the brain to sleep fast, just close your eyes. Deep Sleep: You can use it for more efficient sleep. Get more rest and sleep faster Rem Sleep: The most beautiful moment of sleep and an experience very close to